Double window envelope



June 15, 1954 A. M. DAVID 2,681,175 DOUBLE WINDOW ENVELOPE Filed June17. 1952 2 Sheets-Sheet 1 FIG. I FIG. 2

2 2 Q- awn! I N VENTOR ANDREW M.DAVID,

ATTORNEY June 15, 1954 A. M. DAVID 2,681,175

DOUBLE WINDOW ENVELOPE Filed June 17, 1952 2' Sheets-Sheet 2 From t FIG.7

Printed Mo fter v INVENTOR ANDREW M. DAVID,

BY %W7n $1M ATTORNEY Patented June 15, 1954 UNITED STATES PATENT OFFICEAndrew M; David, Washington, D. 0.

Application June 17, 1952, Serial No. 293,974

1 Claim. 1

This invention relates to a two in one envelope adapted to be used bybanks or various commercial firms transacting business through themails.

An important object of the invention is to provide a mailing piece whichcombines an original and a return mailing envelope in one.

Another object of the invention is to provide a mailing envelope havingtwo gummed flaps to permit two successive mailings.

Another object of the invention is to provide novel means for foldingand refolding the device and providing a portion thereof with theaddresses of the sender and the addressee so that in such folding andrefolding either of the addresses can be visibly displayed and thewriting of the addresses by the addressee rendered unnecessary.

Another object is to provide a device which can be economically madefrom a single blank of paper comprising a plurality of panels, two

of said panels each having a window therein located at the center of thepanel so that the windows are opposite each other when the blank isfolded and refolded.

These andother objects and advantages of the invention will more fullyappear from the following description made in connection with theaccompanying drawings, wherein like reference characters refer to thesame parts throughout the views and in which- Fig. 1 is a plan view of ablank; stamped out but unassembled of the rear of the simplest form ofmailing piece which combines an original and return mailing envelope inone.

Fig. 2 is a plan view of the front of the blank shown in Fig. 1.

3 is a plan view of the envelope folded but unesaled for mailing andshowing the front A, back B, window C and scored fold lines I, 2, 3 andfolding strip F.

Fig. 4 is a plan View of the opposite side of Fig. 3 showing the scoredfold lines I, 2, 3 and folding strip F and portion D provided withwindow E.

Fig. 5 is a blank or development of a single sheet from which a modifiedform of mailing piece is produced.

Fig. 6 is a plan view of the modified form of mailing piece or envelopebefore it is opened.

Fig. '7 is a plan view of the same form of envelope ready to remail tothe sender.

Referring now more particularly to the drawings as shown in Figs. 1 and2, this mailing piece comprises a single piece of sheet material such aspaper for forming an envelope having a front A and a back B the fronthaving a series-of= transverse scored fold lines I, 2 and' 3.

The score fold line I near the top of'the front- The'scored fold line 2near the bottom of 'the front A forms a folding strip F whichliesbetween the fold line 2 and thefold line 3 atthe lower edge of the frontA.

In thecenter of the front A as shown in -Fig. 3. is a window C and theaddress of the company is visible through thlS'WiIIdOW.

The type of envelope'illustrated. in Figs. 1, 2,

3 and 4: is particularly useful intransactions with companies whichreceive monthly payments fromcustomers.

The customer is provided with a receipt book having on one side the nameand address of: the

company and. on the other side the name and" address of the customer;

The portion D of the: blank shown in" Fig. 2' is folded under theportion Bthereby .forming a= pocket within which is inserted the receiptbook.

pocket,'folds over thefront piece A asshown in Fig. 3 and seals theenvelope along thefold. line I by means of the gummed flap 4 which is:mois'- tened and folded over'the edge offlthev back-B.

The receipt'book is placed within the pocket so that the name andaddress of the company :is plainly visible through the window'C and theenvelope is ready to mail.

When the company receives the envelope 'it is opened by tearingoff thefrontA-alo'ng the scored fold line 2. The receipt book-Withmheck thereinis then removed from the pocket and the receipt for the payment enteredin the receipt book. The receipt book is then placed in the pocket sothat the customers name and address is plainly visible through thewindow E.

The envelope is then rescaled ready for mailing by simply folding theflap F over the gummed strip G along the edge of the portion D.

Under the present practice the receipt book is remailed in anotherenvelope. Thus it is obvious that by using one envelope instead of twothere is eifected a considerable saving in cost of material and labor.

Referring now to the modified form of envelope shown in Figs. 5, 6 and'7.

It will be observed that Fig. 5 is a development of a single sheet fromwhich the modified form of envelope is produced. This figure shows anelongated strip of sheet material having parallel fold lines whichdivide the sheet into four panels, A, B, D and K. The upper panel Ashows a gummed flap 4, parallel fold lines 4, 2 and 3 a window C and afolding fla F. The second panel B shows merely a plain rectangular sheetof paper. The folding flap F is an exten sion of this panel B. The thirdpanel D shows gummed flaps 8 and 9 at the sides, fold lines 6, I, I0 andH and a central window E.

The fourth panel shows a rectangular sheet having on one side of thecentral portion, the name and address of the sender and on the oppositeside of the central portion the name and address of the addressee.

The portion of the sheet surrounding the central portion may be used forcarrying printed matter of any description. In using this modified formof envelope the sender first folds panel D over panel B. The gummedflaps 8 and 5 are folded over the panel B and sealed, thereby forming apocket wherein may be inserted any desired printed matter which thesender wishes.

The panel K with the name and address of the addressee on the outside isthen folded over panel D. Panel A is then folded over panel K and issealed by moistening the gum flap and folding it over the edge of panelB, The envelope is then mailed to the addressee. In remailing theenvelope the addressee tears off panel A along the fold line 2, insertsany desired letter or printed matter in the pocket together with thepanel K which is torn off and so positioned that the name and address ofthe sender is visible through the window E in the panel D.

To reseal the envelope the addresseethen folds the flap F over the loweredge of the panel D which is provided with a gummed strip. To securelyseal the envelope a gummed strip is necessary. Such a strip may be onthe flap F or on the edge of the panel D as shown at G in Fig. 4.

Thus it is obvious that by using a panel such as K with the name andaddress of the sender printed on one side and the name and address ofthe addressee on the other side, there is effected a considerable savingin the cost of material and labor in addressing and mailing theenvelope.

It is obvious that the same type of envelope could be used by gas orelectric companies, department stores or other business establishmentswhich receive monthly payments from the customer and return statementsand receipts to the customer.

It will, of course, be understood that various changes may be made inthe form, details, ar-

rangements and proportions of the various parts throughout the viewswithout departing from the scope of my invention.

It will thus be seen that there is provided an envelope in which theseveral objects of this invention are achieved, and which is welladapted to meet the conditions of practical use.

As various possible embodiments might be made of the above invention,and as various changes might be made in the embodiments above set forth,it is to be understood that all matter herein set forth or shown in theaccompanying drawings is to be interpreted as illustrative and not in alimiting sense.

I claim:

A return envelope blank comprising an elongated strip of sheet materialhaving two parallel fold lines dividing said strip into an upper, middleand lower panel, the upper panel having an elongated window openingcentrally thereof, and a perforated tear line adjacent its free edge andparallel to its lower edge, the portion above said perforated tear linebeing adhesively coated, said upper panel having a second perforatedtear line adjacent its lower edge and parallel there to to facilitateeasy removal of the major portion of said panel, the remaining portionof said upper panel providing a'second closing flap, said lower panelhaving an elongated window opening centrally thereof and gummed flaps oneach side edge of t .e panel, said lower panel being adapted to foldover the middle panel and said gumnied flaps to be folded over the edgesof the said middle panel whereby a pocket is formed, a gummed stripalong the back surface adjacent the free edge of said lower panel andparallel to said fold and perforated lines, said second closing flapbeing adapted to be resealed prior to remailing by tearing off the upperpanel along the said perforated tear lines and folding the said closingflap over the said gummed strip along said lower panel.

References Cited in the file of this patent UNITED STATES PATENTS NumberName Date 1,040,004 Patton 1- Oct. 1, 1912 1,091,172 Thayer Mar. 24:,1914 1,145,935 Steinke July 13, 1915 1,187,258 Carr et al June 13, 19161,995,183 Kovnat Mar. 19, 1935 2,317,335 Whitman Apr. 20, 1943 2,402,821Kosteling June 25, 19463 FOREIGN PATENTS Number Country Date 163,901Great Britain June 2, 1921

